Finite Group Databasebeta

D15⋊D305 #32913145

order18300
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD15⋊D305

Splittings

Fitting, socle, derived, HallC3×C52×C61 ⋊ C22
HallC52×C61 ⋊ C2×D3
HallC3×C61 ⋊ D52
HallC3×C52 ⋊ C2×D61
SylowC61 ⋊ D15⋊D5
SylowC52 ⋊ D3×D61
SylowC3 ⋊ D5×D305

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C52×C61C22
LCSG ▷ C3×C52×C61
UCSC1

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1830

Polycyclic presentation:

2^2,3,5^2,61|d^a=d^4,e^a=e^4,f^a=f^60,c^b=c^2,d^b=d^4

Conjugacy classes & character table

1380 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18300, 268);